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ORGANIZATION, BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) (USD $) | 12 Months Ended
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Dec. 31, 2011 properties | Dec. 31, 2010 | Dec. 31, 2009
Organization, Consolidation and Presentation of Financial Statements [Line Items] |  |  |
Number of Retail Properties | 82 |  |
Impairment of asset | $ 6,925,000 | $ 0 | $ 0
Business Interruption Insurance Deductible | 100,000 |  |
Provision for Insurance Deductible Attributable to Loss of Rents | 100,000 |  |
Proceeds from Insurance Settlement, Investing Activities | 6,900,000 |  |
Deferred Rent Receivables, Net | 22,800,000 | 16,900,000 |
Allowance for Doubtful Accounts Receivable | 5,300,000 | 7,200,000 |
Allowance for Notes, Loans and Financing Receivable | 3,276,000 | 3,036,000 | 5,943,000
Required Distribution Rate to Maintain REIT Status (in percent) | 90.00% |  |
Loss of Anchor Tenant [Member] |  |  |
Organization, Consolidation and Presentation of Financial Statements [Line Items] |  |  |
Allowance for Notes, Loans and Financing Receivable |  |  | 1,700,000
Flood [Member] |  |  |
Organization, Consolidation and Presentation of Financial Statements [Line Items] |  |  |
Impairment of asset | 1,400,000 |  |
Building [Member] |  |  |
Organization, Consolidation and Presentation of Financial Statements [Line Items] |  |  |
Property, Plant and Equipment, Useful Life, Minimum | 30 |  |
Property, Plant and Equipment, Useful Life, Maximum | 40 |  |
Operating Partnership, as General Partner or Managing Member [Member] |  |  |
Organization, Consolidation and Presentation of Financial Statements [Line Items] |  |  |
Ownership Interest By General Partner or Managing Partner (in percent) | 99.00% |  |
Fund I and Mervyns I [Member] |  |  |
Organization, Consolidation and Presentation of Financial Statements [Line Items] |  |  |
Preferred Return (in percent) | 9.00% |  |
Remaining Funds Rate of Distribution to All Partners (in percent) | 80.00% |  |
Fund I and Mervyns I [Member] | Operating Partnership, as General Partner or Managing Member [Member] |  |  |
Organization, Consolidation and Presentation of Financial Statements [Line Items] |  |  |
Ownership Interest By General Partner or Managing Partner (in percent) | 22.20% |  |
Capital Committed by Partners in Partnership Interest | 20,000,000 |  |
Remaining Funds Rate of Distribution to Operating Partnership (in percent) | 20.00% |  |
Fund I and Mervyns I [Member] | Institutional Investors [Member] |  |  |
Organization, Consolidation and Presentation of Financial Statements [Line Items] |  |  |
Capital Committed by Partners in Partnership Interest | 70,000,000 |  |
Fund I [Member] | Granville Centre [Member] |  |  |
Organization, Consolidation and Presentation of Financial Statements [Line Items] |  |  |
Impairment of asset | 6,900,000 |  |
Fund I [Member] | Operating Partnership, as General Partner or Managing Member [Member] |  |  |
Organization, Consolidation and Presentation of Financial Statements [Line Items] |  |  |
General Partners' Contributed Capital | 16,500,000 |  |
Fund I [Member] | Operating Partnership, as General Partner or Managing Member [Member] | Granville Centre [Member] |  |  |
Organization, Consolidation and Presentation of Financial Statements [Line Items] |  |  |
Impairment of asset | 1,500,000 |  |
Mervyns I [Member] | Operating Partnership, as General Partner or Managing Member [Member] |  |  |
Organization, Consolidation and Presentation of Financial Statements [Line Items] |  |  |
General Partners' Contributed Capital | 2,700,000 |  |
Fund II and Mervyns II [Member] |  |  |
Organization, Consolidation and Presentation of Financial Statements [Line Items] |  |  |
Capital Committed by Partners in Partnership Interest | 300,000,000 |  |
Fund II and Mervyns II [Member] | Operating Partnership, as General Partner or Managing Member [Member] |  |  |
Organization, Consolidation and Presentation of Financial Statements [Line Items] |  |  |
Ownership Interest By General Partner or Managing Partner (in percent) | 20.00% |  |
Preferred Return (in percent) | 8.00% |  |
Fund II [Member] | Operating Partnership, as General Partner or Managing Member [Member] |  |  |
Organization, Consolidation and Presentation of Financial Statements [Line Items] |  |  |
Capital Committed by Partners in Partnership Interest | 60,000,000 |  |
Managing Members' Contributed Capital | 48,800,000 |  |
Mervyns II [Member] | Operating Partnership, as General Partner or Managing Member [Member] |  |  |
Organization, Consolidation and Presentation of Financial Statements [Line Items] |  |  |
Managing Members' Contributed Capital | 7,600,000 |  |
Fund III [Member] |  |  |
Organization, Consolidation and Presentation of Financial Statements [Line Items] |  |  |
Capital Committed by Partners in Partnership Interest | 502,500,000 |  |
Fund III [Member] | Operating Partnership, as General Partner or Managing Member [Member] |  |  |
Organization, Consolidation and Presentation of Financial Statements [Line Items] |  |  |
Ownership Interest By General Partner or Managing Partner (in percent) | 19.90% |  |
Capital Committed by Partners in Partnership Interest | 100,000,000 |  |
Preferred Return (in percent) | 6.00% |  |
Managing Members' Contributed Capital | 45,100,000 |  |
Albertsons [Member] |  |  |
Organization, Consolidation and Presentation of Financial Statements [Line Items] |  |  |
Impairment Charge to Investment in Unconsolidated Joint Ventures |  |  | $ 3,800,000

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- Definition The amount by which the fair value of an investment is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Staff Position (FSP) -Number FAS115-1/124-1 -Paragraph 15C -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Staff Position (FSP) -Number FAS115-1/124-1 -Paragraph 15D -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 115 -Paragraph 16 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Staff Position (FSP) -Number FAS115-1/124-1 -Paragraph 16B -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 35 -Paragraph 34 -URI http://asc.fasb.org/extlink&oid=6956420&loc=d3e25351-111560 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Staff Position (FSP) -Number FAS115-2/124-2 -Paragraph 22 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition The number of units or percentage investment held by the managing member or general partner of the LLC or LP. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Practice Bulletin (PB) -Number 14 -Paragraph 15 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 272 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70478-108055 + Details
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- Definition The cash inflow from the amounts received by the insured under the terms of an insurance contract settlement. This element pertains only to insurance proceeds related to investments, for example fixed assets. It excludes insurance settlements classified as operating cash flows. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 22 -Subparagraph c -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3179-108585 + Details
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- Definition The maximum useful life of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software. + References No definition available. + Details
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